Medical College of Wisconsin
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Nikolai J. Mickevicius PhD

Assistant Professor

Institution: Medical College of Wisconsin
Department: Radiology
Division: Research


Research Areas of Interest

  • Magnetic Resonance Imaging
  • Publications (43)

  • Toward magnetic resonance fingerprinting for low-field MR-guided radiation therapy (Mickevicius NJ, Morris ZM, Glide-Hurst CK) Proceedings of the Annual Meeting of the American Association of Physicists in Medicine 02/01/2022    
  • Magnetic resonance coherence pathway unraveling (Mickevicius NJ, Paulson ES) Proceedings of the Annual Meeting of the International Society for Magnetic Resonance in Medicine 02/01/2022    
  • Target-driven and super-resolved parallel imaging reconstruction directly from under sampled k-space measurements (Mickevicius NJ, Paulson ES) Proceedings of the Annual Meeting of the International Society for Magnetic Resonance in Medicine Workshop on Data Sampling and Image Reconstruction 02/01/2022    
  • Self-supervised model-based deep learning reconstruction for under sampled free-breathing stack-of-stars acquisitions (Mickevicius NJ, Paulson ES) Proceedings of the Annual Meeting of the International Society for Magnetic Resonance in Medicine Workshop on Data Sampling and Image Reconstruction 02/01/2022    
  • Initial clinical experience of stereotactic body radiation therapy (SBRT) for liver metastases, primary liver malignancy, and pancreatic abdominal nodal recurrence with 4D-MRI based online adaptation and real-time motion monitoring on a 1.5 Tesla MR-Linac (Hall WA, Straza MW, Chen X, Mickevicius NJ, Erickson B, Schultz C, Awan M, Ahunbay E, Li XA, Paulson ES) Proceedings of the Annual Meeting of the American Society for Radiation Oncology 02/01/2022    
  • Initial clinical experience using 4D-MRI based MR-guided online adaptive SBRT on a high field MR-Linac (Paulson ES, Ahunbay E, Chen X, Mickevicius NJ, Erickson B, Schultz C, Straza MW, Li XA, Hall WA) Proceedings of the Annual Meeting of the American Society for Radiation Oncology 02/01/2022    
  • Impact of intrafractional changes of abdominal gas cavities in MR-guided adaptive radiation therapy: Is real-time adaptation necessary? (Keiper T, Tai A, Mickevicius NJ, Lim S, Paulson ES, Klawikowski S, Zhong H, Li XA) Proceedings of the Annual Meeting of the American Society for Radiation Oncology 02/01/2022    
  • First clinical use of 4D-MRI for online adaptive MR-gRT on a high-field MR-Linac (Mickevicius NJ, Straza MW, Hall WA, Paulson ES) Proceedings of the Annual Meeting of the American Society for Radiation Oncology 02/01/2022    
  • Pseudo-cartesian k-space interpolation using artificial neural networks (Mickevicius NJ, Nencka AS, Paulson ES) Proceedings of the Annual Meeting of the International Society of Magnetic Resonance in Medicine 02/01/2022    
  • Application of k-space interpolating artificial neural network to in-plane accelerated simultaneous multislice imaging for motion monitoring (Mickevicius NJ, Paulson ES, Nencka AS) Proceedings of the Annual Meeting of the International Society of Magnetic Resonance in Medicine 02/01/2022    
  • Highly accelerated simultaneous multislice projection imaging (Mickevicius NJ, Muftuler LT, Nencka AS, Paulson ES) Proceedings of the Annual Meeting of the International Society of Magnetic Resonance in Medicine 02/01/2022    
  • Simultaneous acquisition of orthogonal plane cine imaging and isotropic 4D-MRI using super-resolution (Mickevicius NJ, Paulson ES) Proceedings of the Annual Meeting of the International Society of Magnetic Resonance in Medicine 02/01/2022    
  • Rapid abdominal imaging using highly accelerated projection imaging (HAPI) (Muftuler LT, Mickevicius NJ, Nencka AS, Paulson ES) Proceedings of the Annual Meeting of the International Society of Magnetic Resonance in Medicine 02/01/2022    
  • Simultaneous motion monitoring and truth-in-delivery analysis framework for MR-guided radiotherapy (Mickevicius NJ, Chen X, Boyd Z, Lee HJ, Ibbott GS, Paulson ES) Proceedings of the Annual Meeting of the American Association of Physicists in Medicine 02/01/2022    
  • Simultaneous orthogonal plane imaging with balanced SSFP contrast using k-t GRAPPA (Mickevicius NJ, Paulson ES) Proceedings of the Annual Meeting of the International Symposium on MRI in Radiation Therapy 02/01/2022    
  • Blipped radial CAIPIRINHA for simultaneous multislice pseudo steady-state free-precession magnetic resonance fingerprinting (Mickevicius NJ, Paulson ES) Proceedings of the Annual Meeting of the Radiological Society of North America 02/01/2022    
  • Improvements in simultaneous orthogonal plane imaging through the use of SPIRiT and virtual conjugate coils (Mickevicius NJ, Paulson ES) Proceedings of the Annual Meeting of the International Society of Magnetic Resonance in Medicine 02/01/2022    
  • Multiplexed simultaneous orthogonal plane imaging (mSOPI) for intrafraction motion monitoring in MRI-guided radiation therapy (Mickevicius NJ, Paulson ES) Proceedings of the Annual Meeting of the International Symposium on MRI in Radiation Therapy 02/01/2022    
  • Toward clinically realizable 4D-MRI for MRI-guided radiation therapy (Mickevicius NJ, Paulson ES) Proceedings of the Annual Meeting of the International Symposium on MRI in Radiation Therapy 02/01/2022    
  • A wavelet-based optimization for RF pulse design applied to multi band imaging at 7T (Huettner AM, Mickevicius NJ, Ersoz A, Koch KM, Muftuler LT, Nencka AS) Proceedings of the Annual Meeting of the International Society of Magnetic Resonance in Medicine 02/01/2022    
  • In vivo MRI-based 3D printed molds and individualized sectioning apparatuses improve MRI-histopathologic co-registration in brain cancer patients (Salmon AE, Pellatt BJ, Mickevicius NJ, Cochran EJ, LaViolette PS) Proceedings of the Annual Meeting of the International Society of Magnetic Resonance in Medicine 02/01/2022    
  • HENSIR: Hadamard encoded simultaneous image refocusing (Mickevicius NJ, Paulson ES) Proceedings of the Annual Meeting of the International Society of Magnetic Resonance in Medicine 02/01/2022    
  • Brain tumor imaging based histology trained maps (IBHTMs) of cellularity predict tumor presence in pathologically confirmed regions sampled ex vivo (LaViolette PS, Cochran EJ, Mickevicius NJ, Connelly J, Schmainda KM, Rand SD) Proceedings of the Annual Meeting of the International Society of Magnetic Resonance in Medicine 02/01/2022    
  • Advantages of radial CAIPI for real-time motion management in MRI-gRT (Mickevicius Lathuiliere FE, Lachaine M, Paulson ES) Proceedings of the Annual Meeting of the International Symposium on MRI in Radiation Therapy 02/01/2022    
  • Effect of multi band RF pulse duration on cine MRI tracking accuracy for MRI-gRT (Mickevicius NJ, Lathuiliere F, Lachaine M, Paulson ES) Proceedings of the Annual Meeting of the American Association of Physicists in Medicine 02/01/2022    
  • Location of brain tumor intersecting white matter tracts predicts survival prior to therapy (Mickevicius NJ, Carle A, Santarriaga S, LaViolette PS) Proceedings of the Annual Meeting of the International Society of Magnetic Resonance in Medicine 02/01/2022    
  • Brain tumor hypercellularity detected in diffusion restricted voxels outside contrast enhancement in six human brains examined ex vivo (Mickevicius NJ, Cochran EJ, Rand SD, Connelly J, Al-Gizawiy M, Schmainda KM, LaViolette PS) Proceedings of the Annual Meeting of the International Society of Magnetic Resonance in Medicine 02/01/2022    
  • Toward magnetic resonance fingerprinting for low-field MR-guided radiation therapy. (Mickevicius NJ, Kim JP, Zhao J, Morris ZS, Hurst NJ Jr, Glide-Hurst CK) Med Phys 2021 Nov;48(11):6930-6940 PMID: 34487357 PMCID: PMC8733901 SCOPUS ID: 2-s2.0-85114987814 09/07/2021       3 Citations
  • On the use of low-dimensional temporal subspace constraints to reduce reconstruction time and improve image quality of accelerated 4D-MRI. (Mickevicius NJ, Paulson ES) Radiother Oncol 2021 05;158:215-223 PMID: 33412207 SCOPUS ID: 2-s2.0-85102848662 01/08/2021       1 Citation
  • Split-slice training and hyperparameter tuning of RAKI networks for simultaneous multi-slice reconstruction. (Nencka AS, Arpinar VE, Bhave S, Yang B, Banerjee S, McCrea M, Mickevicius NJ, Muftuler LT, Koch KM) Magn Reson Med 2021 06;85(6):3272-3280 PMID: 33331002 SCOPUS ID: 2-s2.0-85097598109 12/18/2020       2 Citations
  • A Patient-Specific Autosegmentation Strategy Using Multi-Input Deformable Image Registration for Magnetic Resonance Imaging-Guided Online Adaptive Radiation Therapy: A Feasibility Study. (Zhang Y, Paulson E, Lim S, Hall WA, Ahunbay E, Mickevicius NJ, Straza MW, Erickson B, Li XA) Adv Radiat Oncol 2020 Nov-Dec;5(6):1350-1358 PMID: 33305098 PMCID: PMC7718500 SCOPUS ID: 2-s2.0-85097125143 12/12/2020       12 Citations
  • Initial clinical experience of Stereotactic Body Radiation Therapy (SBRT) for liver metastases, primary liver malignancy, and pancreatic cancer with 4D-MRI based online adaptation and real-time MRI monitoring using a 1.5 Tesla MR-Linac. (Hall WA, Straza MW, Chen X, Mickevicius N, Erickson B, Schultz C, Awan M, Ahunbay E, Li XA, Paulson ES) PLoS One 2020;15(8):e0236570 PMID: 32764748 PMCID: PMC7413561 SCOPUS ID: 2-s2.0-85089301005 08/09/2020       28 Citations
  • 4D-MRI driven MR-guided online adaptive radiotherapy for abdominal stereotactic body radiation therapy on a high field MR-Linac: Implementation and initial clinical experience. (Paulson ES, Ahunbay E, Chen X, Mickevicius NJ, Chen GP, Schultz C, Erickson B, Straza M, Hall WA, Li XA) Clin Transl Radiat Oncol 2020 Jul;23:72-79 PMID: 32490218 PMCID: PMC7256110 SCOPUS ID: 2-s2.0-85084968086 06/04/2020       40 Citations
  • Generalized simultaneous multi-orientation 2D imaging. (Mickevicius NJ, Nencka AS, Paulson ES) Magn Reson Med 2020 08;84(2):847-856 PMID: 31872496 SCOPUS ID: 2-s2.0-85077067040 12/25/2019    
  • Simultaneous acquisition of orthogonal plane cine imaging and isotropic 4D-MRI using super-resolution. (Mickevicius NJ, Paulson ES) Radiother Oncol 2019 07;136:121-129 PMID: 31015113 SCOPUS ID: 2-s2.0-85064275048 04/25/2019       12 Citations
  • Simultaneous motion monitoring and truth-in-delivery analysis imaging framework for MR-guided radiotherapy. (Mickevicius NJ, Chen X, Boyd Z, Lee HJ, Ibbott GS, Paulson ES) Phys Med Biol 2018 11 26;63(23):235014 PMID: 30474614 SCOPUS ID: 2-s2.0-85057111143 11/27/2018       8 Citations
  • Simultaneous orthogonal plane cine imaging with balanced steady-state free-precession contrast using k-t GRAPPA. (Mickevicius NJ, Paulson ES) Phys Med Biol 2018 07 24;63(15):15NT02 PMID: 29956676 SCOPUS ID: 2-s2.0-85051485750 06/30/2018       6 Citations
  • Particle Filter-Based Target Tracking Algorithm for Magnetic Resonance-Guided Respiratory Compensation: Robustness and Accuracy Assessment. (Bourque AE, Bedwani S, Carrier JF, MĂ©nard C, Borman P, Bos C, Raaymakers BW, Mickevicius N, Paulson E, Tijssen RHN) Int J Radiat Oncol Biol Phys 2018 02 01;100(2):325-334 PMID: 29157746 SCOPUS ID: 2-s2.0-85034114144 11/22/2017       15 Citations
  • Investigation of undersampling and reconstruction algorithm dependence on respiratory correlated 4D-MRI for online MR-guided radiation therapy. (Mickevicius NJ, Paulson ES) Phys Med Biol 2017 04 21;62(8):2910-2921 PMID: 27997382 SCOPUS ID: 2-s2.0-85016933762 12/21/2016       38 Citations
  • Simultaneous orthogonal plane imaging. (Mickevicius NJ, Paulson ES) Magn Reson Med 2017 11;78(5):1700-1710 PMID: 27917527 SCOPUS ID: 2-s2.0-85006372400 12/06/2016       19 Citations
  • Wavelet Domain Radiofrequency Pulse Design Applied to Magnetic Resonance Imaging. (Huettner AM, Mickevicius NJ, Ersoz A, Koch KM, Muftuler LT, Nencka AS) PLoS One 2015;10(10):e0141151 PMID: 26517262 PMCID: PMC4627821 SCOPUS ID: 2-s2.0-84950326643 10/31/2015       3 Citations
  • Location of brain tumor intersecting white matter tracts predicts patient prognosis. (Mickevicius NJ, Carle AB, Bluemel T, Santarriaga S, Schloemer F, Shumate D, Connelly J, Schmainda KM, LaViolette PS) J Neurooncol 2015 Nov;125(2):393-400 PMID: 26376654 PMCID: PMC6094943 SCOPUS ID: 2-s2.0-84945477926 09/18/2015       15 Citations
  • Precise ex vivo histological validation of heightened cellularity and diffusion-restricted necrosis in regions of dark apparent diffusion coefficient in 7 cases of high-grade glioma. (LaViolette PS, Mickevicius NJ, Cochran EJ, Rand SD, Connelly J, Bovi JA, Malkin MG, Mueller WM, Schmainda KM) Neuro Oncol 2014 Dec;16(12):1599-606 PMID: 25059209 PMCID: PMC4232087 SCOPUS ID: 2-s2.0-84938693563 07/26/2014       50 Citations
  • Last update: 08/02/2022